CN104311372A - Recycling device for caking ammonium nitrate during production of porous ammonium nitrate and application method of recycling device - Google Patents
Recycling device for caking ammonium nitrate during production of porous ammonium nitrate and application method of recycling device Download PDFInfo
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- CN104311372A CN104311372A CN201410566502.0A CN201410566502A CN104311372A CN 104311372 A CN104311372 A CN 104311372A CN 201410566502 A CN201410566502 A CN 201410566502A CN 104311372 A CN104311372 A CN 104311372A
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Abstract
The invention discloses a recycling device for caking ammonium nitrate during production of porous ammonium nitrate. The recycling device comprises a pelletizing tower, vibration pumps, an ammonium nitrate dissolving tank I, an ammonium nitrate dissolving tank II, an ammonium nitrate solution storage tank, an ammonium nitrate solution pump and a grating filter, wherein a conveyor belt I is arranged below the pelletizing tower, the ammonium nitrate dissolving tank I is arranged just under the conveyor belt I, one end of the grating filter is connected with the discharging end of the conveyor belt I, the other end of the grating filter is arranged above a conveyor belt II, the conveyor belt II is arranged above the ammonium nitrate dissolving tank II, the ammonium nitrate dissolving tanks I and II are connected with the ammonium nitrate solution storage tank, the ammonium nitrate solution storage tank is connected with the ammonium nitrate solution pump, the ammonium nitrate solution pump is connected with a drying cleaning liquid tank and the ammonium nitrate solution storage tank, the ammonium nitrate solution storage tank is internally provided with a heating coil, and the vibration pumps are arranged at the upper part of the side wall of the pelletizing tower. The recycling device is capable of effectively reducing environment pollution caused by a large amount of discharged liquid waste and effectively lowering industrial production cost of porous ammonium nitrate.
Description
Technical field
The invention belongs to solid waste treating technology device field, particularly relate to during a kind of multi-hole nitramines is produced recycling device and the using method thereof of the ammonium nitrate that lumps.
Background technology
Multi-hole nitramines is one of indispensable raw material on chemical engineering industry, and this product does not lump compared with traditional ammonium nitrate, can long storage time, easy to use, and brisance is large, is the upgraded product of traditional technology ammonium nitrate, has very high utilization promotional value.Multi-hole nitramines device is original design is French KT technology, be difficult to solve owing to there is a lot of problem when designing, therefore be difficult to promote, after practice in China is groped, to carry out after very large improvement just gradual perfection by Chinese second chemical design institute, but the method that the caking ammonium nitrate problem produced aborning is never become reconciled solves.
At present, domestic multi-hole nitramines agglomeration problems affects safety in production and environmental pollution always, and the caking ammonium nitrate of generation is all adopt the mode sale at low prices of artificial pack to factory of composite fertilizer, and workman's labor capacity is large, production marketing price is low, directly affects economic benefit; Produce a large amount of ammonium nitrate solution processing costs when overhauling cleaning prilling tower high, contaminate environment simultaneously; Recycling cannot can only be used for agriculture composite fertilizer when there is substandard product simultaneously.The present situation of this technological design not only affects keeps the safety in production but also to environmental influence very greatly, too increases the production cost of multi-hole nitramines.
In recent years along with the promulgation of national environmental protection new legislation, the enforcement of energy-saving and emission-reduction regulations, in the urgent need to developing a kind of processing method meeting energy-saving and emission-reduction and low cost production multi-hole nitramines, and the recycling of the multi-hole nitramines that lumps, be exactly a kind of effective method.Therefore, the application prospect of caking ammonium nitrate recovery and reuse technology is very wide.
Summary of the invention
For above-mentioned technical problem, the object of this invention is to provide during a kind of multi-hole nitramines is produced the recycling device of the ammonium nitrate that lumps.Apparatus of the present invention can make the ammonium nitrate of caking by dissolving, heating, concentrate, make it to become qualified multi-hole nitramines from new granulation, realize safety in production, environmental protection is produced by efficient recovery and is fully utilized, realize economic environmental protection.
The technical solution used in the present invention is:
A kind of multi-hole nitramines lumps in producing the recycling device of ammonium nitrate, comprise prilling tower, belt conveyor one, belt conveyor two, hopper, vibratory pump, ammonium nitrate dissolving tank one, ammonium nitrate dissolving tank two, ammonium nitrate solution storage tank, ammonium nitrate solution pump and grating plate strainer, belt conveyor one is provided with below described prilling tower, hopper is provided with between described belt conveyor one and belt conveyor two, ammonium nitrate dissolving tank one is provided with immediately below described belt conveyor one, one end of described grating plate strainer is connected with the discharge end of belt conveyor one, the other end of described grating plate strainer is positioned at the top of belt conveyor two, described belt conveyor two is arranged on the top of described ammonium nitrate dissolving tank two, described grating plate strainer is obliquely installed, described ammonium nitrate dissolving tank one is connected with process steam condensation liquid bath respectively by pipeline with ammonium nitrate dissolving tank two, described ammonium nitrate dissolving tank one is connected respectively by the top of pipeline with ammonium nitrate solution storage tank with ammonium nitrate dissolving tank two, the bottom of the sidewall of described ammonium nitrate solution storage tank is connected with ammonium nitrate solution pump by pipeline, described ammonium nitrate solution pump outlet is connected with the top entry of drying washing solution groove with ammonium nitrate solution storage tank respectively by pipeline, heating coil is provided with in described ammonium nitrate solution storage tank, described vibratory pump is arranged on the top of the sidewall of described prilling tower.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, wherein, described grating plate strainer is by rectangular shaped rim and be fixedly connected on the parallel longitudinal bar bar of between described rectangular shaped rim some, has interval between adjacent two described longitudinal bar bars.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, and wherein, between two described longitudinal bar bars, spacing distance is 40-60mm.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, and wherein, described vibratory pump has two groups, and be arranged on top 13.5-15.5m and the 9.5-10.5m place of distance prilling tower respectively, often group comprises four described vibratory pumps.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, and wherein, described grating plate strainer is downward-sloping, and angle of inclination is 15-20 degree.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, wherein, and the length of described ammonium nitrate dissolving tank one and be widely greater than the length of belt conveyor one and wide each 800mm respectively.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, wherein, pipeline between ammonium nitrate dissolving tank one and process steam condensation liquid bath is provided with valve one, pipeline between ammonium nitrate dissolving tank two and process steam condensation liquid bath is provided with valve two, pipeline between ammonium nitrate dissolving tank one and ammonium nitrate solution storage tank is provided with valve three, pipeline between ammonium nitrate dissolving tank two and ammonium nitrate solution storage tank is provided with valve four, pipeline between ammonium nitrate solution storage tank and ammonium nitrate solution pump is provided with valve five, pipeline between ammonium nitrate solution pump and ammonium nitrate solution storage tank top entry is provided with valve six, pipeline between ammonium nitrate solution pump and drying washing solution groove is provided with valve seven.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, and wherein, valve one, valve two, valve three, valve four, valve five, valve six and valve seven is control valve.
Multi-hole nitramines lumps in producing the using method of recycling device of ammonium nitrate, comprises the following steps:
A () be startup per hour vibratory pump in multi-hole nitramines production process, first open the vibratory pump at the 13.5-15.5m place, top of distance prilling tower simultaneously, time of vibration is at 3-5 minute, stop after having vibrated and open the top 9.5-10.5m vibratory pump of distance prilling tower again, time of vibration is also 3-5 minute;
B caking ammonium nitrate that () shakes off falls belt conveyor one by grating plate strainer and hopper on belt conveyor two, the ammonium nitrate bulk cargo be scattered from belt conveyor one or prilling tower enters into ammonium nitrate dissolving tank one, open valve one and add the dissolving of process steam phlegma, after ammonium nitrate dissolves completely, opening valve three makes ammonium nitrate solution enter into ammonium nitrate solution storage tank, makes temperature reach 50-60 DEG C with heating coil heating in ammonium nitrate solution storage tank;
C on () grating plate strainer, the caking ammonium nitrate of bulk enters into ammonium nitrate dissolving tank two from the other end of grating plate strainer, open valve two and add the dissolving of process steam phlegma, after caking ammonium nitrate dissolves completely, open valve four and make ammonium nitrate solution enter into ammonium nitrate solution storage tank;
D () reduces drying washing solution storage tank liquid level in process of production, open ammonium nitrate solution pump and valve seven, and conveying ammonium nitrate solution is to described drying washing solution storage tank;
E () will ensure that ammonium nitrate solution storage tank liquid level is minimum before stopping, ensureing that the solution of cleaning prilling tower can all reclaim, can recycle when driving again, de-salted water or process steam phlegma during cleaning prilling tower.
Beneficial effect of the present invention:
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, the caking ammonium nitrate produced in multi-hole nitramines production process can be removed, dissolve recycling, reach safety in production, save energy and reduce the cost, both a large amount of discharge pollution on the environments of waste liquid had been effectively reduced, effectively reduce again the cost of industrial production multi-hole nitramines, economic benefit and social benefit remarkable.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, and between two described longitudinal bar bars, spacing is 40-60mm, recycles better effects if, if because spacing is too small, bulk ammonium nitrate yield is too much, and system returning charge amount is large, easily strengthens system loading and increases consumption; Spacing is lower than 60mm, and the ammonium nitrate of such bulk not easily enters system, can not affect normal process and produce.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, described vibratory pump has two groups, be arranged on top 13.5-15.5m and the 9.5-10.5m place of distance prilling tower respectively, because this two places ammonium nitrate the most easily lumps, vibratory pump is arranged on this two place, vibrating effect is better, and the caking ammonium nitrate rate of recovery is higher.
Multi-hole nitramines of the present invention lumps in producing the recycling device of ammonium nitrate, and described grating plate strainer is downward-sloping, and angle of inclination is 15-20 degree, recycle effect better, angle of inclination is too small, ammonium nitrate bulk not easily landing to dissolving tank two, the easy buildup of grating plate strainer; Angle of inclination is excessive, easily spills material during normal production.
Multi-hole nitramines of the present invention lumps in producing the using method of recycling device of ammonium nitrate, can to prevent in production process that prilling tower tower wall caking is excessive to come off, prevent bulk ammonium nitrate from blocking and produce transfer passage, cause system shutdown, decrease the appearance of substandard product, reduce cost of labor, improve economic benefit, to in docking process, rinse water and the solid ammonium nitrate that gives up can reuse, both a large amount of discharge pollution on the environments of waste liquid had been effectively reduced, effectively reduce again the cost of industrial production multi-hole nitramines, economic benefit and social benefit remarkable.
Accompanying drawing explanation
Fig. 1 is the structural representation of recycling device of ammonium nitrate of luming during multi-hole nitramines of the present invention is produced;
Fig. 2 is the structural representation of grating plate strainer of the present invention.
Below with reference to drawings and Examples, the present invention is described in detail.
Embodiment
Embodiment 1
As shown in Figure 1, a kind of multi-hole nitramines lumps in producing the recycling device of ammonium nitrate, comprise prilling tower 1, belt conveyor 1, belt conveyor 29, hopper 17, vibratory pump 2, ammonium nitrate dissolving tank 1, ammonium nitrate dissolving tank 24, ammonium nitrate solution storage tank 5, ammonium nitrate solution pump 6 and grating plate strainer 7, belt conveyor 1 is provided with below prilling tower 1, hopper 17 is provided with between belt conveyor 1 and belt conveyor 29, ammonium nitrate dissolving tank 1 is provided with immediately below belt conveyor 1, the growing and be wider than the length of belt conveyor 1 and wide each 800mm of ammonium nitrate dissolving tank 1, ammonium nitrate dissolving tank 1 is for dissolving from fallen ammonium nitrate belt conveyor one or prilling tower 1, grating plate strainer 7 is arranged on the top of hopper 17, one end of grating plate strainer 7 is connected with belt conveyor 1 discharge end, the other end of grating plate strainer 7 is positioned at above belt conveyor 29, belt conveyor 29 is arranged on the top of ammonium nitrate dissolving tank 24, grating plate strainer 7 is obliquely installed, grating plate strainer 7 is downward-sloping, angle of inclination is 15 degree, on grating plate strainer 7, the ammonium nitrate of bulk sends into ammonium nitrate dissolving tank 24 by the other end of grating plate strainer 7, the ammonium nitrate do not lumpd enters hopper 17 and is delivered to drying drum by belt conveyor 29, the rectangular shaped rim 71 that grating plate strainer 7 is welded by round steel and be welded on the parallel longitudinal bar bar 72 of between rectangular shaped rim 71 two ends some, between adjacent two longitudinal bar bars 72, there is interval, spacing distance is 50mm, ammonium nitrate dissolving tank 1 is connected with process steam condensation liquid bath respectively by pipeline with ammonium nitrate dissolving tank 24, ammonium nitrate dissolving tank 1 is connected respectively by the top of pipeline with ammonium nitrate solution storage tank 5 with ammonium nitrate dissolving tank 24, the bottom of the sidewall of ammonium nitrate solution storage tank 5 is connected with ammonium nitrate solution pump 6 by pipeline, the outlet of ammonium nitrate solution pump 6 is connected with the top entry of drying washing solution groove with ammonium nitrate solution storage tank 5 respectively by pipeline, heating coil is provided with in ammonium nitrate solution storage tank 5, vibratory pump 2 is arranged on the top of the sidewall of prilling tower 1, at the distance top 14.5m of prilling tower 1 and 10.5m place, four vibratory pumps 2 are installed respectively, pipeline between ammonium nitrate dissolving tank 1 and process steam condensation liquid bath is provided with valve 1, pipeline between ammonium nitrate dissolving tank 24 and process steam condensation liquid bath is provided with valve 2 11, pipeline between ammonium nitrate dissolving tank 1 and ammonium nitrate solution storage tank 5 is provided with valve 3 12, pipeline between ammonium nitrate dissolving tank 24 and ammonium nitrate solution storage tank 5 is provided with valve 4 13, pipeline between ammonium nitrate solution storage tank 5 and ammonium nitrate solution pump 6 is provided with valve 5 14, pipeline between the top entry of ammonium nitrate solution pump 6 and ammonium nitrate solution storage tank 5 is provided with valve 6 15, pipeline between ammonium nitrate solution pump 6 and drying washing solution groove is provided with valve 7 16, valve 1, valve 2 11, valve 3 12, valve 4 13, valve 5 14, valve 6 15 and valve 7 16 are control valve.
The present embodiment multi-hole nitramines lumps in producing the using method of recycling device of ammonium nitrate, comprises the following steps:
A () be startup per hour vibratory pump 2 in multi-hole nitramines production process, first open four vibrations 2 of the top 14.5m of distance prilling tower 1 simultaneously, time of vibration is at 3-5 minute, stop after having vibrated and open four vibratory pumps 2 at the 10.5m place, top apart from prilling tower 1 again, time of vibration is also 3-5 minute;
B caking ammonium nitrate that () shakes off falls belt conveyor 1 by grating plate strainer 7 and hopper 17 to belt conveyor 29, the ammonium nitrate bulk cargo be scattered from belt conveyor 1 or prilling tower 1 enters into ammonium nitrate dissolving tank 1, open valve 1 and add the dissolving of process steam phlegma, after ammonium nitrate dissolves completely, opening valve 3 12 makes ammonium nitrate solution enter into ammonium nitrate solution storage tank 5, makes temperature reach 50-60 DEG C with heating coil heating in ammonium nitrate solution storage tank 5;
C on () grating plate strainer 7, the caking ammonium nitrate of bulk enters into ammonium nitrate dissolving tank 24 from the other end of grating plate strainer 7, open valve 2 11 and add the dissolving of process steam phlegma, after caking ammonium nitrate dissolves completely, open valve 4 13 and make ammonium nitrate solution enter into ammonium nitrate solution storage tank 5;
D () reduces drying washing solution storage tank liquid level in process of production, open ammonium nitrate solution pump 6 and valve 7 16, and each conveying ammonium nitrate solution 2 tons is to described drying washing solution storage tank;
E () will ensure that ammonium nitrate solution storage tank 5 liquid level is minimum before stopping, ensureing that the solution of cleaning prilling tower 1 can all reclaim, can recycle when driving again, with de-salted water or process steam phlegma, must ensure safety in production during cleaning prilling tower 1.
Embodiment 2
Be with the difference of embodiment 1: grating plate strainer 7 is downward-sloping, angle of inclination is 20 degree; Have interval between adjacent two longitudinal bar bars 72, spacing distance is 40mm; At the distance top 13.5m of prilling tower 1 and 9.5m place, four vibratory pumps 2 are installed respectively.
Embodiment 3
And the difference of embodiment 1 is: have interval between adjacent two longitudinal bar bars 72, spacing distance is 60mm; At the distance top 15.5m of prilling tower 1 and 10.5m place, four vibratory pumps 2 are installed respectively.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (9)
1. a multi-hole nitramines lumps in producing the recycling device of ammonium nitrate, comprise prilling tower (1), belt conveyor one (8), belt conveyor two (9) and hopper (17), described prilling tower (1) below is provided with belt conveyor one (8), hopper (17) is provided with between described belt conveyor one (8) and belt conveyor two (9), it is characterized in that: go back involving vibrations pump (2), ammonium nitrate dissolving tank one (3), ammonium nitrate dissolving tank two (4), ammonium nitrate solution storage tank (5), ammonium nitrate solution pump (6) and grating plate strainer (7), ammonium nitrate dissolving tank one (3) is provided with immediately below described belt conveyor one (8), described grating plate strainer (7) is arranged on the top of hopper (17), one end of described grating plate strainer (7) is connected with the discharge end of belt conveyor one (8), the other end of described grating plate strainer (7) is positioned at the top of belt conveyor two (9), described belt conveyor two (9) is arranged on the top of ammonium nitrate dissolving tank two (4), described grating plate strainer (7) is obliquely installed, described ammonium nitrate dissolving tank one (3) is connected with process steam condensation liquid bath respectively by pipeline with ammonium nitrate dissolving tank two (4), described ammonium nitrate dissolving tank one (3) is connected respectively by the top of pipeline with ammonium nitrate solution storage tank (5) with described ammonium nitrate dissolving tank two (4), the bottom of the sidewall of described ammonium nitrate solution storage tank (5) is connected with ammonium nitrate solution pump (6) by pipeline, the outlet of described ammonium nitrate solution pump (6) is connected with the top entry of drying washing solution groove with ammonium nitrate solution storage tank (5) respectively by pipeline, heating coil is provided with in described ammonium nitrate solution storage tank (5), described vibratory pump (2) is arranged on the top of the sidewall of prilling tower (1).
2. multi-hole nitramines according to claim 1 lumps in producing the recycling device of ammonium nitrate, it is characterized in that: described grating plate strainer (7) is by rectangular shaped rim (71) and be fixedly connected on the parallel longitudinal bar bar (72) of between described rectangular shaped rim (71) two ends some, has interval between adjacent two described longitudinal bar bars (72).
3. multi-hole nitramines according to claim 2 lumps in producing the recycling device of ammonium nitrate, it is characterized in that: between two described longitudinal bar bars (73), spacing distance is 40-60mm.
4. multi-hole nitramines according to claim 1 lumps in producing the recycling device of ammonium nitrate, it is characterized in that: described vibratory pump (2) has two groups, be arranged on top 13.5-15.5m and the 9.5-10.5m place of distance prilling tower (1) respectively, often group comprises four described vibratory pumps (2).
5. multi-hole nitramines according to claim 1 lumps in producing the recycling device of ammonium nitrate, it is characterized in that: described grating plate strainer (7) is downward-sloping, and angle of inclination is 15-20 degree.
6. multi-hole nitramines according to claim 1 lumps in producing the recycling device of ammonium nitrate, it is characterized in that: the length of described ammonium nitrate dissolving tank one (3) and be widely greater than the length of belt conveyor one (8) and wide each 800mm respectively.
7. multi-hole nitramines according to claim 1 lumps in producing the recycling device of ammonium nitrate, it is characterized in that: the pipeline between ammonium nitrate dissolving tank one (3) and process steam condensation liquid bath is provided with valve one (10), pipeline between ammonium nitrate dissolving tank two (4) and process steam condensation liquid bath is provided with valve two (11), pipeline between ammonium nitrate dissolving tank one (3) and ammonium nitrate solution storage tank (5) is provided with valve three (12), pipeline between ammonium nitrate dissolving tank two (4) and ammonium nitrate solution storage tank (5) is provided with valve four (13), pipeline between ammonium nitrate solution storage tank (5) and ammonium nitrate solution pump (6) is provided with valve five (14), pipeline between the top entry of ammonium nitrate solution pump (6) and ammonium nitrate solution storage tank (5) is provided with valve six (15), pipeline between ammonium nitrate solution pump (6) and drying washing solution groove is provided with valve seven (16).
8. multi-hole nitramines according to claim 1-7 any one lumps in producing the recycling device of ammonium nitrate, it is characterized in that: valve one (10), valve two (11), valve three (12), valve four (13), valve five (14), valve six (15) and valve seven (16) are control valve.
9. multi-hole nitramines according to claim 7 lumps in producing the using method of recycling device of ammonium nitrate, it is characterized in that: comprise the following steps:
A () be startup per hour vibratory pump (2) in multi-hole nitramines production process, first open the vibratory pump (2) at the 13.5-15.5m place, top of distance prilling tower (1) simultaneously, time of vibration is at 3-5 minute, stop after vibration completes and open the vibratory pump (2) at the 9.5-10.5m place, top apart from prilling tower (1) again, time of vibration is also 3-5 minute;
B caking ammonium nitrate that () shakes off falls belt conveyor one (8) by grating plate strainer (7) and hopper (17) on belt conveyor two (9), the caking ammonium nitrate bulk cargo be scattered from belt conveyor one (8) or prilling tower (1) enters into ammonium nitrate dissolving tank one (3), open valve one (10) and add the dissolving of process steam phlegma, after caking ammonium nitrate dissolves completely, opening valve three (12) makes ammonium nitrate solution enter into ammonium nitrate solution storage tank (5), temperature is made to reach 50-60 DEG C with the interior heating coil heating of ammonium nitrate solution storage tank (5),
C the caking ammonium nitrate of the upper bulk of () grating plate strainer (7) enters into ammonium nitrate dissolving tank two (4) from the other end of grating plate strainer (7), open valve two (11) and add the dissolving of process steam phlegma, after caking ammonium nitrate dissolves completely, open valve four (13) and make ammonium nitrate solution enter into ammonium nitrate solution storage tank (5);
D () reduces drying washing solution storage tank liquid level in process of production, open ammonium nitrate solution pump (6) and valve seven (16), and conveying ammonium nitrate solution is to described drying washing solution storage tank;
E () will ensure that ammonium nitrate solution storage tank (5) liquid level is minimum before stopping, ensure that the solution of cleaning prilling tower (1) can all reclaim, can recycle again when driving, de-salted water or process steam phlegma during cleaning prilling tower (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410566502.0A CN104311372B (en) | 2014-10-22 | 2014-10-22 | Multi-hole nitramines lumps in producing the recycling device of ammonium nitrate and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410566502.0A CN104311372B (en) | 2014-10-22 | 2014-10-22 | Multi-hole nitramines lumps in producing the recycling device of ammonium nitrate and using method thereof |
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| CN104311372B CN104311372B (en) | 2016-09-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892310A (en) * | 2017-12-12 | 2018-04-10 | 天脊煤化工集团股份有限公司 | A kind of system and technique that prevent multi-hole nitramines from luming |
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| US5527498A (en) * | 1994-09-15 | 1996-06-18 | Arcadian Fertilizer, L.P. | Method for production of high density ammonium nitrate prills |
| EP0850878A1 (en) * | 1996-12-31 | 1998-07-01 | Kaltenbach - Thuring S.A. | Process and installation for the production of porous ammonium nitrate |
| CN101522295A (en) * | 2006-08-02 | 2009-09-02 | 奥姆尼亚肥料有限公司 | Ammonium nitrate granules |
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| CN203474477U (en) * | 2013-09-02 | 2014-03-12 | 陕西兴化化学股份有限公司 | Vapor recycling system for multi-hole ammonium nitrate production process |
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| CN204237724U (en) * | 2014-10-22 | 2015-04-01 | 安徽淮化股份有限公司 | A kind of multi-hole nitramines lumps in producing the recycling device of ammonium nitrate |
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2014
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Patent Citations (8)
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| US5527498A (en) * | 1994-09-15 | 1996-06-18 | Arcadian Fertilizer, L.P. | Method for production of high density ammonium nitrate prills |
| EP0850878A1 (en) * | 1996-12-31 | 1998-07-01 | Kaltenbach - Thuring S.A. | Process and installation for the production of porous ammonium nitrate |
| CN101522295A (en) * | 2006-08-02 | 2009-09-02 | 奥姆尼亚肥料有限公司 | Ammonium nitrate granules |
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| CN202542884U (en) * | 2012-01-17 | 2012-11-21 | 安徽淮化股份有限公司 | Equipment for recovering ammonium nitrate residual liquid |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892310A (en) * | 2017-12-12 | 2018-04-10 | 天脊煤化工集团股份有限公司 | A kind of system and technique that prevent multi-hole nitramines from luming |
| CN107892310B (en) * | 2017-12-12 | 2023-10-24 | 天脊煤化工集团股份有限公司 | System and process for preventing porous ammonium nitrate from caking |
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| Publication number | Publication date |
|---|---|
| CN104311372B (en) | 2016-09-07 |
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